From 3968cf623892d710e651070243fd16af312a9797 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 3 Sep 2017 21:45:17 -0400 Subject: get_compat_sigset() similar to put_compat_sigset() Signed-off-by: Al Viro --- virt/kvm/kvm_main.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'virt') diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 9deb5a2..99bfe50 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2724,7 +2724,6 @@ static long kvm_vcpu_compat_ioctl(struct file *filp, case KVM_SET_SIGNAL_MASK: { struct kvm_signal_mask __user *sigmask_arg = argp; struct kvm_signal_mask kvm_sigmask; - compat_sigset_t csigset; sigset_t sigset; if (argp) { @@ -2733,13 +2732,11 @@ static long kvm_vcpu_compat_ioctl(struct file *filp, sizeof(kvm_sigmask))) goto out; r = -EINVAL; - if (kvm_sigmask.len != sizeof(csigset)) + if (kvm_sigmask.len != sizeof(compat_sigset_t)) goto out; r = -EFAULT; - if (copy_from_user(&csigset, sigmask_arg->sigset, - sizeof(csigset))) + if (get_compat_sigset(&sigset, (void *)sigmask_arg->sigset)) goto out; - sigset_from_compat(&sigset, &csigset); r = kvm_vcpu_ioctl_set_sigmask(vcpu, &sigset); } else r = kvm_vcpu_ioctl_set_sigmask(vcpu, NULL); -- cgit v1.1